Parts of William Froude's original Resistance Dynamometer

Made:: 1870 in Torquay

designer:: Robert Edmund Froude and William Froude

Parts of William Froude's original Resistance Dynamometer (1871) used in his researches on surface tension and ship resistance consisting of 1) Lever and index arm 2) counterweights 3) pivot 4) wood framing, by William Froude c.1871

Parts of William Froude's dynamometer for his Chelston Cross model towing tank. Design of this apparatus began in 1870

Details

Category:: Froude

Object Number:: 1941-7

type:: study models, hydrodynamics and hydrodynamic resistance

credit:: Board of Admiralty

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Parts

Index arm with lead counterweight, for Froude's Resistance Dynamometer

Index arm with lead counterweight, for Froude's Resistance Dynamometer

Lattice-work index arm with lead counterweight on a wood level, for Froude's Resistance Dynamometer, c.1871

Measurements:: overall: 767 mm x 1713 mm x 100 mm,

Materials:: brass (copper, zinc alloy) , metal (unknown) and wood (unidentified)

Object Number:: 1941-7/1

type:: study models , hydrodynamics and hydrodynamic resistance

Counterweight (3 parts) from original Froude Resistance Dynamometer

Counterweight (3 parts) from original Froude Resistance Dynamometer

Counterweight (3 parts) from original Froude Resistance Dynamometer

Object Number:: 1941-7/2

type:: components

Image ©: The Board of Trustees of the Science Museum

Pivot for Froude's Resistance Dynamometer

Pivot for Froude's Resistance Dynamometer

Steel and wood pivot on wood mount, for Froude's Resistance Dynamometer, c.1871

Measurements:: overall: 350 mm x 165 mm x 280 mm, 3.97kg

Materials:: steel (metal) and wood (unidentified)

Object Number:: 1941-7/3

type:: study models , hydrodynamics and hydrodynamic resistance

Image ©: The Board of Trustees of the Science Museum

Framework for Froude's Resistance Dynamometer

Framework for Froude's Resistance Dynamometer

Wooden framework for Froude's Resistance Dynamometer, c.1871

Measurements:: overall: 625 mm x 1300 mm x 110 mm, 1.76kg

Materials:: steel (metal) and wood (unidentified)

Object Number:: 1941-7/4

type:: study models , hydrodynamics and hydrodynamic resistance